66876486 has 32 divisors (see below), whose sum is σ = 138958848. Its totient is φ = 21433920.

The previous prime is 66876463. The next prime is 66876493. The reversal of 66876486 is 68467866.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29986 + ... + 32138.

It is an arithmetic number, because the mean of its divisors is an integer number (4342464).

Almost surely, 2^66876486 is an apocalyptic number.

66876486 is an abundant number, since it is smaller than the sum of its proper divisors (72082362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66876486 is a wasteful number, since it uses less digits than its factorization.

66876486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2356.

The product of its digits is 2322432, while the sum is 51.

The square root of 66876486 is about 8177.8044730844. The cubic root of 66876486 is about 405.9050753999.

The spelling of 66876486 in words is "sixty-six million, eight hundred seventy-six thousand, four hundred eighty-six".